X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fpci%2Fmsi.c;h=a2033552423c48a3be1f77c763f463ea38a263c3;hb=9a7834d06d553d02cc6e659e94772f69a8b5367f;hp=b5ab9aa6ff7c8703f842901e02497bc05dd3100d;hpb=8644d2a42bdba2d513f71c07eaf1b6f9b718b8eb;p=powerpc.git

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index b5ab9aa6ff..a203355242 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -91,6 +91,7 @@ static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask)
 {
 	struct msi_desc *entry;
 	struct msg_address address;
+	unsigned int irq = vector;
 
 	entry = (struct msi_desc *)msi_desc[vector];
 	if (!entry || !entry->dev)
@@ -112,6 +113,7 @@ static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask)
 		entry->msi_attrib.current_cpu = cpu_mask_to_apicid(cpu_mask);
 		pci_write_config_dword(entry->dev, msi_lower_address_reg(pos),
 			address.lo_address.value);
+		set_native_irq_info(irq, cpu_mask);
 		break;
 	}
 	case PCI_CAP_ID_MSIX:
@@ -125,22 +127,13 @@ static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask)
 			MSI_TARGET_CPU_SHIFT);
 		entry->msi_attrib.current_cpu = cpu_mask_to_apicid(cpu_mask);
 		writel(address.lo_address.value, entry->mask_base + offset);
+		set_native_irq_info(irq, cpu_mask);
 		break;
 	}
 	default:
 		break;
 	}
 }
-
-#ifdef CONFIG_IRQBALANCE
-static inline void move_msi(int vector)
-{
-	if (!cpus_empty(pending_irq_balance_cpumask[vector])) {
-		set_msi_affinity(vector, pending_irq_balance_cpumask[vector]);
-		cpus_clear(pending_irq_balance_cpumask[vector]);
-	}
-}
-#endif /* CONFIG_IRQBALANCE */
 #endif /* CONFIG_SMP */
 
 static void mask_MSI_irq(unsigned int vector)
@@ -191,13 +184,13 @@ static void shutdown_msi_irq(unsigned int vector)
 
 static void end_msi_irq_wo_maskbit(unsigned int vector)
 {
-	move_msi(vector);
+	move_native_irq(vector);
 	ack_APIC_irq();
 }
 
 static void end_msi_irq_w_maskbit(unsigned int vector)
 {
-	move_msi(vector);
+	move_native_irq(vector);
 	unmask_MSI_irq(vector);
 	ack_APIC_irq();
 }
@@ -446,14 +439,11 @@ static void enable_msi_mode(struct pci_dev *dev, int pos, int type)
 	}
     	if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
 		/* PCI Express Endpoint device detected */
-		u16 cmd;
-		pci_read_config_word(dev, PCI_COMMAND, &cmd);
-		cmd |= PCI_COMMAND_INTX_DISABLE;
-		pci_write_config_word(dev, PCI_COMMAND, cmd);
+		pci_intx(dev, 0);  /* disable intx */
 	}
 }
 
-static void disable_msi_mode(struct pci_dev *dev, int pos, int type)
+void disable_msi_mode(struct pci_dev *dev, int pos, int type)
 {
 	u16 control;
 
@@ -468,10 +458,7 @@ static void disable_msi_mode(struct pci_dev *dev, int pos, int type)
 	}
     	if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
 		/* PCI Express Endpoint device detected */
-		u16 cmd;
-		pci_read_config_word(dev, PCI_COMMAND, &cmd);
-		cmd &= ~PCI_COMMAND_INTX_DISABLE;
-		pci_write_config_word(dev, PCI_COMMAND, cmd);
+		pci_intx(dev, 1);  /* enable intx */
 	}
 }
 
@@ -588,6 +575,8 @@ static int msi_capability_init(struct pci_dev *dev)
 /**
  * msix_capability_init - configure device's MSI-X capability
  * @dev: pointer to the pci_dev data structure of MSI-X device function
+ * @entries: pointer to an array of struct msix_entry entries
+ * @nvec: number of @entries
  *
  * Setup the MSI-X capability structure of device function with a
  * single MSI-X vector. A return of zero indicates the successful setup of
@@ -699,6 +688,9 @@ int pci_enable_msi(struct pci_dev* dev)
 	if (!pci_msi_enable || !dev)
  		return status;
 
+	if (dev->no_msi)
+		return status;
+
 	temp = dev->irq;
 
 	if ((status = msi_init()) < 0)